Armstrong Brian — SEC Form 4 filings
SEC reporting owner CIK 1851492. 57 Form 4 filings on record with FilingPulse; latest filed 2026-01-07.
Transaction summary — filings shown
Covers the 50 most recent of 57 filings on record, filed 2024-03-27 to 2026-01-07. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 359 legs across 49 filings — 3,444,200 shares, $1,082,876,389 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 106.
- Largest priced transaction: sale of 113,591 shares @ $395.37 ($44,910,201) in Coinbase Global, Inc., filed 2025-07-15.
By issuer — same filings
Open-market purchase/sale legs on non-derivative securities, grouped by issuer. Role is as filed on the newest filing for that issuer. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Issuer | Role (as filed) | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|---|
| Coinbase Global, Inc. (COIN) | Chairman and CEO, Director, 10% owner | 50 | — | 359 legs · 3,444,200 sh · $1,082,876,389 | 106 |
Form 4 filings — Armstrong Brian
| Filed | Form | Issuer | Reported transactions | Source |
|---|---|---|---|---|
| 2026-01-07 | 4 | Coinbase Global, Inc. (COIN) | Option exercise (M): 40,000 @ $18.71 · Sale (S): 20,790 @ $248.53 · Sale (S): 18,923 @ $249.41 · Sale (S): 287 @ $250.01 · Option exercise (M): 40,000 (derivative) @ $0 | EDGAR |
| 2025-12-23 | 4 | Coinbase Global, Inc. (COIN) | Option exercise (M): 40,000 @ $18.71 · Sale (S): 9,138 @ $248.61 · Sale (S): 8,937 @ $249.55 · Sale (S): 11,707 @ $250.50 · Sale (S): 8,635 @ $251.52 · Sale (S): 1,583 @ $252.30 · +1 more | EDGAR |
| 2025-12-10 | 4 | Coinbase Global, Inc. (COIN) | Option exercise (M): 40,000 @ $18.71 · Sale (S): 8,049 @ $255.47 · Sale (S): 5,575 @ $256.39 · Sale (S): 11,047 @ $257.37 · Sale (S): 10,235 @ $258.27 · Sale (S): 5,094 @ $259.15 · +1 more | EDGAR |
| 2025-12-10 | 4 | Coinbase Global, Inc. (COIN) | Option exercise (M): 40,000 @ $18.71 · Sale (S): 4,660 @ $271.57 · Sale (S): 9,978 @ $272.44 · Sale (S): 5,213 @ $273.45 · Sale (S): 5,902 @ $274.50 · Sale (S): 12,474 @ $275.41 · +2 more | EDGAR |
| 2025-11-19 | 4 | Coinbase Global, Inc. (COIN) | Option exercise (M): 40,000 @ $18.71 · Sale (S): 15,711 @ $271.14 · Sale (S): 17,957 @ $271.83 · Sale (S): 1,848 @ $272.88 · Sale (S): 3,845 @ $274.06 · Sale (S): 603 @ $274.73 · +2 more | EDGAR |
| 2025-11-14 | 4 | Coinbase Global, Inc. (COIN) | Conversion (C): 25,000 @ $0 · Sale (S): 11,264 @ $319.85 · Sale (S): 9,196 @ $320.58 · Sale (S): 1,839 @ $321.68 · Sale (S): 553 @ $322.89 · Sale (S): 1,532 @ $323.82 · +2 more | EDGAR |
| 2025-11-05 | 4 | Coinbase Global, Inc. (COIN) | Conversion (C): 25,000 @ $0 · Sale (S): 4,524 @ $335.12 · Sale (S): 4,301 @ $336.18 · Sale (S): 5,424 @ $337.45 · Sale (S): 5,080 @ $338.22 · Sale (S): 2,600 @ $339.26 · +2 more | EDGAR |
| 2025-10-15 | 4 | Coinbase Global, Inc. (COIN) | Conversion (C): 25,000 @ $0 · Sale (S): 2,755 @ $359.49 · Sale (S): 6,433 @ $360.48 · Sale (S): 8,724 @ $361.45 · Sale (S): 5,754 @ $362.35 · Sale (S): 1,173 @ $363.95 · +2 more | EDGAR |
| 2025-10-06 | 4 | Coinbase Global, Inc. (COIN) | Conversion (C): 25,000 @ $0 · Sale (S): 3,849 @ $353.86 · Sale (S): 5,274 @ $355.04 · Sale (S): 13,729 @ $355.91 · Sale (S): 2,148 @ $356.54 · Conversion (C): 0 (derivative) @ $0 | EDGAR |
| 2025-09-17 | 4 | Coinbase Global, Inc. (COIN) | Conversion (C): 25,000 @ $0 · Sale (S): 6,523 @ $321.25 · Sale (S): 11,022 @ $322.31 · Sale (S): 7,455 @ $323.16 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-09-08 | 4 | Coinbase Global, Inc. (COIN) | Conversion (C): 25,000 @ $0 · Sale (S): 12,643 @ $301.43 · Sale (S): 6,474 @ $302.57 · Sale (S): 5,883 @ $303.39 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-08-14 | 4 | Coinbase Global, Inc. (COIN) | Conversion (C): 25,000 @ $0 · Sale (S): 5,706 @ $324.99 · Sale (S): 3,401 @ $325.84 · Sale (S): 7,906 @ $326.94 · Sale (S): 5,897 @ $327.67 · Sale (S): 1,487 @ $329.24 · +2 more | EDGAR |
| 2025-08-06 | 4 | Coinbase Global, Inc. (COIN) | Conversion (C): 25,000 @ $0 · Sale (S): 3,794 @ $315.10 · Sale (S): 5,413 @ $316.29 · Sale (S): 9,991 @ $317.22 · Sale (S): 2,185 @ $318.39 · Sale (S): 3,498 @ $319.22 · +2 more | EDGAR |
| 2025-07-17 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 183,506 @ $0 · Sale (S): 57,476 @ $395.50 · Sale (S): 44,199 @ $396.52 · Sale (S): 25,517 @ $397.47 · Sale (S): 20,027 @ $398.54 · Sale (S): 27,862 @ $399.46 · +11 more | EDGAR |
| 2025-07-15 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 27,751 @ $0 · Sale (S): 8,434 @ $387.74 · Sale (S): 14,499 @ $388.62 · Sale (S): 2,067 @ $389.28 · Sale (S): 2,751 @ $395.18 · Conversion (C): 165,443 @ $0 · +6 more | EDGAR |
| 2025-07-03 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 17,729 @ $337.95 · Sale (S): 6,313 @ $339.06 · Sale (S): 958 @ $339.65 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-06-27 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 336,265 @ $0 · Sale (S): 72,111 @ $358.42 · Sale (S): 31,501 @ $359.38 · Sale (S): 19,007 @ $360.46 · Sale (S): 34,505 @ $361.46 · Sale (S): 31,230 @ $362.42 · +19 more | EDGAR |
| 2025-06-13 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 11,717 @ $254.88 · Sale (S): 11,904 @ $255.66 · Sale (S): 1,379 @ $256.47 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-06-03 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 22,089 @ $247.08 · Sale (S): 2,911 @ $247.69 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-05-16 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 17,099 @ $254.10 · Sale (S): 3,864 @ $255.05 · Sale (S): 4,037 @ $255.99 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-05-07 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 15,851 @ $200.24 · Sale (S): 9,149 @ $201.07 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-04-25 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 20,000 @ $0 · Sale (S): 19,176 @ $198.41 · Sale (S): 824 @ $199.07 · Conversion (C): 20,000 (derivative) @ $0 | EDGAR |
| 2025-04-16 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 15,000 @ $0 · Sale (S): 8,906 @ $178.24 · Sale (S): 3,037 @ $179.21 · Sale (S): 3,057 @ $179.96 · Conversion (C): 15,000 (derivative) @ $0 | EDGAR |
| 2025-04-07 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 15,000 @ $0 · Sale (S): 9,135 @ $168.22 · Sale (S): 5,831 @ $169.02 · Sale (S): 34 @ $169.65 · Conversion (C): 15,000 (derivative) @ $0 | EDGAR |
| 2025-03-26 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 10,000 @ $0 · Sale (S): 10,000 @ $198.15 · Conversion (C): 10,000 (derivative) @ $0 | EDGAR |
| 2025-03-17 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 15,000 @ $0 · Sale (S): 3,113 @ $186.13 · Sale (S): 6,294 @ $187.13 · Sale (S): 5,593 @ $187.95 · Conversion (C): 15,000 (derivative) @ $0 | EDGAR |
| 2025-03-05 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 8,491 @ $229.44 · Sale (S): 2,091 @ $230.58 · Sale (S): 2,581 @ $231.56 · Sale (S): 11,837 @ $232.15 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-02-12 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 9,131 @ $274.66 · Sale (S): 14,008 @ $275.50 · Sale (S): 1,861 @ $276.39 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-02-05 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 4,555 @ $269.75 · Sale (S): 13,854 @ $270.90 · Sale (S): 4,870 @ $271.86 · Sale (S): 1,721 @ $272.55 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2025-01-15 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 2,030 @ $241.48 · Sale (S): 4,994 @ $242.28 · Sale (S): 4,673 @ $243.39 · Sale (S): 2,006 @ $244.21 · Sale (S): 10,436 @ $245.26 · +2 more | EDGAR |
| 2025-01-07 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 3,704 @ $259.23 · Sale (S): 4,220 @ $260.20 · Sale (S): 8,461 @ $261.17 · Sale (S): 6,406 @ $261.97 · Sale (S): 2,209 @ $262.86 · +1 more | EDGAR |
| 2024-12-17 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 7,044 @ $312.93 · Sale (S): 7,397 @ $314.04 · Sale (S): 10,402 @ $314.92 · Sale (S): 157 @ $315.62 · Conversion (C): 25,000 (derivative) @ $0 | EDGAR |
| 2024-12-09 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 5,764 @ $339.36 · Sale (S): 8,225 @ $340.22 · Sale (S): 6,588 @ $341.12 · Sale (S): 4,131 @ $342.30 · Sale (S): 292 @ $342.81 · +1 more | EDGAR |
| 2024-11-27 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 25,000 @ $0 · Sale (S): 4,642 @ $305.33 · Sale (S): 1,328 @ $305.97 · Sale (S): 3,948 @ $306.74 · Sale (S): 6,376 @ $307.66 · Sale (S): 7,986 @ $308.50 · +5 more | EDGAR |
| 2024-11-20 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 1,025,000 @ $0 · Sale (S): 17,174 @ $289.13 · Sale (S): 26,366 @ $290.11 · Sale (S): 42,574 @ $291.07 · Sale (S): 72,605 @ $292.00 · Sale (S): 48,946 @ $293.03 · +25 more | EDGAR |
| 2024-11-20 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Sale (S): 31,569 @ $327.48 · Sale (S): 20,890 @ $328.47 · Sale (S): 5,810 @ $329.20 | EDGAR |
| 2024-11-13 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 325,000 @ $0 · Sale (S): 11,732 @ $300.53 · Sale (S): 10,388 @ $301.44 · Sale (S): 9,137 @ $302.61 · Sale (S): 20,802 @ $303.63 · Sale (S): 18,968 @ $304.59 · +10 more | EDGAR |
| 2024-09-16 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 15,375 @ $0 · Sale (S): 205 @ $156.38 · Sale (S): 1,510 @ $157.88 · Sale (S): 1,228 @ $158.93 · Sale (S): 2,488 @ $159.95 · Sale (S): 2,196 @ $161.07 · +5 more | EDGAR |
| 2024-09-05 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 2,584 @ $168.73 · Sale (S): 902 @ $169.50 · Sale (S): 3,721 @ $170.82 · Sale (S): 1,874 @ $171.92 · Sale (S): 1,602 @ $173.05 · +6 more | EDGAR |
| 2024-08-16 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 4,478 @ $193.37 · Sale (S): 7,617 @ $194.18 · Sale (S): 4,723 @ $195.34 · Sale (S): 3,971 @ $196.29 · Sale (S): 2,232 @ $197.34 · +2 more | EDGAR |
| 2024-08-07 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 200 @ $163.55 · Sale (S): 300 @ $165.15 · Sale (S): 700 @ $170.02 · Sale (S): 800 @ $172.46 · Sale (S): 300 @ $173.22 · +17 more | EDGAR |
| 2024-07-15 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 1,505 @ $214.28 · Sale (S): 3,932 @ $215.15 · Sale (S): 1,172 @ $215.84 · Sale (S): 2,600 @ $217.37 · Sale (S): 1,949 @ $218.07 · +10 more | EDGAR |
| 2024-07-03 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 1,100 @ $225.40 · Sale (S): 2,931 @ $227.86 · Sale (S): 3,112 @ $228.99 · Sale (S): 8,228 @ $230.69 · Sale (S): 700 @ $232.05 · +3 more | EDGAR |
| 2024-06-12 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 200 @ $239.75 · Sale (S): 1,166 @ $242.86 · Sale (S): 3,034 @ $243.93 · Sale (S): 1,900 @ $244.89 · Sale (S): 1,400 @ $245.95 · +8 more | EDGAR |
| 2024-06-05 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 1,395 @ $226.72 · Sale (S): 2,105 @ $227.79 · Sale (S): 2,600 @ $228.95 · Sale (S): 5,502 @ $229.78 · Sale (S): 4,499 @ $230.70 · +8 more | EDGAR |
| 2024-05-15 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 1,300 @ $198.56 · Sale (S): 3,410 @ $199.53 · Sale (S): 2,661 @ $200.79 · Sale (S): 2,426 @ $201.55 · Sale (S): 6,500 @ $202.69 · +4 more | EDGAR |
| 2024-05-07 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 530 @ $217.42 · Sale (S): 710 @ $218.67 · Sale (S): 3,655 @ $220.35 · Sale (S): 1,201 @ $221.46 · Sale (S): 1,832 @ $222.50 · +10 more | EDGAR |
| 2024-04-17 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 424 @ $222.50 · Sale (S): 548 @ $223.21 · Sale (S): 700 @ $225.40 · Sale (S): 1,000 @ $226.50 · Sale (S): 1,000 @ $227.61 · +17 more | EDGAR |
| 2024-04-08 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Conversion (C): 23,075 @ $0 · Sale (S): 2,011 @ $250.11 · Sale (S): 1,765 @ $251.34 · Sale (S): 435 @ $252.48 · Sale (S): 900 @ $254.02 · Sale (S): 1,200 @ $255.06 · +6 more | EDGAR |
| 2024-03-27 | 4 | Coinbase Global, Inc. (COIN) jointly with Brian Armstrong Living Trust | Other (J): 526 @ $0 | EDGAR |
FilingPulse's Form 4 archive currently extends back to 2024-01-11 and is expanding backward through EDGAR history — earlier filings by this insider may not be indexed yet. Names and roles are shown as filed.
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